Insurance Code § 10123.91

(a) On or after January 1, 2009, every insurer that issues, amends, or renews an individual or group policy of health insurance that covers hospital, medical, or surgical expenses shall provide coverage for human immunodeficiency virus (HIV) testing, regardless of whether the testing is related to a primary diagnosis.

(b) It shall remain within the sole discretion of the health insurer as to the provider of the testing with which it chooses to contract. Reimbursement shall be provided according to the respective principles and policies of the health insurer.